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Question
Long answer question
Answer the question after observing the diagram given below.

Can you name the channel responsible for their transmission?
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Solution
The ligand-gated ion channel is responsible for the transmission of the impulse.
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Name three Mixed cranial nerves along with their numbers.
Which of the following is the correct definition of summation effect?
Given below are two statements.
Statement I - In chemical synapse, rate of transmission of impulse is higher in homeotherms than poikilotherms.
Statement II - In chemical synapse, synaptic cleft has a width of about 3.8 nm.
In light of the above statements, select the correct option given below.
Arrange the following in sequence during the transmission of nerve impulse at chemical synapse.
- Neurotransmitter binds with receptors of post synaptic cell.
- Calcium channels open and the calcium diffuses inward from ECF.
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- Release of neurotransmitter by exocytosis.
- Synaptic vesicles fuse with cell membrane of axon terminal of presynaptic neuron.
